With falling water tables, eroding soils, and rising temperatures making it difficult to feed growing populations, control of arable land and water resources is moving to center stage in the global struggle for food security.

Director of Corporate Freshwater Strategies for Conservation International Marielle Canter Weikel talks on value of water to business, takeaways from World Water Week in Stockholm, and what businesses would do with water in an ideal world.

Scientists say new analysis of magma trapped in lunar crystals collected during the Apollo 17 mission shows the Moon's interior may have 100 times more water than earlier measurements indicated. The measured quantities could be as high as the water contained in the Earth’s upper mantle.

In this audio interview, Rajesh Shah, who conceived Peer Water Exchange (PWX) in 2003 for the Blue Planet Run Foundation, shares this social entrepreneurship model that leverages technology, new media and peer interaction to solve the water crisis. Shah is the 2010 Tech Award winner in the Intel Environmental category.

In an interview, Juan Costain, Team Leader for South Asia's Water and Sanitation Program, a multi-donor partnership administered by the World Bank, details some of the findings from the Bank's December 2010 report, The Economic Impacts of Inadequate Sanitation in India. Costain shares insights into how the Water and Sanitation Program hopes to use this information towards projects in India. (Image source: Randomspecific.com)

Water is one of the world’s gravest risks, according to the Global Risks Report published earlier this week at the World Economic Forum in Davos. And the situation is actually worse than it might seem at first glance.